What are the cheapest airlines to fly from St. Louis to Quebec one-way?

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 264. American Airlines flights start at C$ 441 while deals on United Airlines start at C$ 668 one-way.

How far in advance should I book a flight from St. Louis to Quebec?

Travellers have found it’s best to book a flight 53 days in advance to save up to 257% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Quebec 1-2 weeks in advance for as low as C$ 683, or C$ 1,150 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Quebec?

The best pricing can be found in the month of November. Prices to Quebec from St. Louis average C$ 848. You can even find prices in November for less than C$ 848, as users have found deals to Quebec from as low as C$ 667. The month of June appears to be one of the more expensive times to travel to Quebec from St. Louis. Flying in the targeted month can save you up to 22%.

What is the cheapest time of day to fly from STL to QC?

When flying from St. Louis to Quebec, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from St. Louis to Quebec?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Quebec. It is only a 20.4 km journey to Lambert-St Louis (STL) from St. Louis’s city centre.

Can I find deals for flights from St. Louis to Quebec that include hotel bookings?

Yes. In addition to deals on St. Louis to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Quebec?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quebec.

Can I find deals for business class flights from St. Louis to Quebec?

Yes. Cheapflights offers flight deals from St. Louis to Quebec by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 211+ Flights from St. Louis to Quebec

Cheap flight deals from St. Louis to Quebec

Round-trip from	C$ 538
One-way from	C$ 211

29/1-1/2
2 total stops
41h 43m total
St. Louis to Quebec

Search Deals

24/2
1 total stop
16h 27m total
St. Louis to Quebec

Search Deals

Find flight deals from St. Louis to Quebec

Cheapest flights from St. Louis to Quebec
Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Wed 29/15:05 p.m.STL - YUL

1 stop20h 35mMultiple Airlines

Sat 1/26:35 p.m.YUL - STL

1 stop21h 08mMultiple Airlines

Deal found 16/1C$ 538

Thu 6/23:50 p.m.STL - YQB

1 stop6h 06mUnited Airlines

Wed 12/210:30 a.m.YQB - STL

1 stop5h 36mUnited Airlines

Deal found 16/1C$ 615

Thu 6/23:50 p.m.STL - YQB

1 stop6h 06mAir Canada

Wed 12/26:00 a.m.YQB - STL

2 stops10h 06mAir Canada

Deal found 16/1C$ 622

Sat 15/21:35 p.m.STL - YUL

1 stop19h 51mDelta

Tue 18/26:00 a.m.YUL - STL

1 stop16h 02mDelta

Deal found 16/1C$ 729

Mon 3/26:43 a.m.STL - YUL

1 stop4h 16mWestJet

Mon 10/26:03 p.m.YUL - STL

1 stop6h 34mWestJet

Deal found 16/1C$ 839

Mon 28/43:50 p.m.STL - YQB

1 stop6h 15mMultiple Airlines

Fri 2/57:15 a.m.YQB - STL

2 stops9h 01mMultiple Airlines

Deal found 16/1C$ 871

Mon 3/25:23 a.m.STL - YUL

2 stops10h 27mAmerican Airlines

Mon 10/27:14 a.m.YUL - STL

1 stop7h 07mAmerican Airlines

Deal found 16/1C$ 901

Wed 29/19:44 a.m.STL - YUL

2 stops21h 16mUnited Airlines

Sat 1/26:10 p.m.YUL - STL

2 stops17h 44mUnited Airlines

Deal found 16/1C$ 1,052

Fri 14/23:50 p.m.STL - YUL

1 stop6h 58mAir Canada

Mon 17/28:50 a.m.YUL - STL

2 stops7h 50mAir Canada

Deal found 16/1C$ 1,064

Best flights from St. Louis to Quebec
Discover carefully curated flight deals from St. Louis to Quebec that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 January 2025.

Wed 29/15:05 p.m.STL - YUL

1 stop20h 35mMultiple Airlines

Sat 1/26:35 p.m.YUL - STL

1 stop21h 08mMultiple Airlines

Deal found 16/1C$ 538

Thu 6/23:50 p.m.STL - YQB

1 stop6h 06mUnited Airlines

Wed 12/210:30 a.m.YQB - STL

1 stop5h 36mUnited Airlines

Deal found 16/1C$ 615

Thu 6/23:50 p.m.STL - YQB

1 stop6h 06mAir Canada

Wed 12/26:00 a.m.YQB - STL

2 stops10h 06mAir Canada

Deal found 16/1C$ 622

Sat 15/21:35 p.m.STL - YUL

1 stop19h 51mDelta

Tue 18/26:00 a.m.YUL - STL

1 stop16h 02mDelta

Deal found 16/1C$ 729

Mon 3/26:43 a.m.STL - YUL

1 stop4h 16mWestJet

Mon 10/26:03 p.m.YUL - STL

1 stop6h 34mWestJet

Deal found 16/1C$ 839

Mon 3/25:23 a.m.STL - YUL

2 stops10h 27mAmerican Airlines

Mon 10/27:14 a.m.YUL - STL

1 stop7h 07mAmerican Airlines

Deal found 16/1C$ 901

Mon 28/43:50 p.m.STL - YQB

1 stop6h 15mMultiple Airlines

Thu 1/57:15 a.m.YQB - STL

2 stops9h 01mMultiple Airlines

Deal found 16/1C$ 871

Wed 29/19:44 a.m.STL - YUL

2 stops21h 16mUnited Airlines

Sat 1/26:10 p.m.YUL - STL

2 stops17h 44mUnited Airlines

Deal found 16/1C$ 1,052

Fri 14/23:50 p.m.STL - YUL

1 stop6h 58mAir Canada

Mon 17/28:50 a.m.YUL - STL

2 stops7h 50mAir Canada

Deal found 16/1C$ 1,064

Direct flights from St. Louis to Quebec
Explore direct flight options from St. Louis to Quebec based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 January 2025.

Fri 30/51:30 p.m.STL - YUL

Nonstop2h 30mAir Canada

Sun 1/66:10 p.m.YUL - STL

Nonstop2h 51mAir Canada

Deal found 16/1C$ 1,120

Thu 26/61:30 p.m.STL - YUL

Nonstop2h 30mUnited Airlines

Sun 29/66:10 p.m.YUL - STL

Nonstop2h 50mUnited Airlines

Deal found 16/1C$ 1,223

Sun 8/61:30 p.m.STL - YUL

Nonstop2h 30mMultiple Airlines

Thu 12/66:10 p.m.YUL - STL

Nonstop2h 51mMultiple Airlines

Deal found 15/1C$ 1,518

Last-minute flights from St. Louis to Quebec
Discover last-minute flight deals from St. Louis to Quebec. Data last updated 17 January 2025 and is based on user searches.

Mon 20/17:00 a.m.STL - YQB

1 stop14h 47mMultiple Airlines

Sat 25/110:30 a.m.YQB - STL

1 stop5h 36mMultiple Airlines

Deal found 16/1C$ 1,171

Thu 23/14:28 p.m.STL - YUL

1 stop21h 27mMultiple Airlines

Thu 30/16:45 a.m.YUL - STL

1 stop17h 46mMultiple Airlines

Deal found 16/1C$ 576

Thu 23/15:23 a.m.STL - YUL

2 stops10h 27mAmerican Airlines

Thu 30/110:54 a.m.YUL - STL

2 stops9h 29mAmerican Airlines

Deal found 16/1C$ 1,032

Thu 23/110:20 a.m.STL - YUL

2 stops13h 20mWestJet

Thu 30/11:30 p.m.YUL - STL

2 stops10h 44mWestJet

Deal found 16/1C$ 1,127

Wed 29/15:05 p.m.STL - YUL

1 stop20h 35mMultiple Airlines

Sat 1/26:35 p.m.YUL - STL

1 stop21h 08mMultiple Airlines

Deal found 16/1C$ 538

Wed 29/19:44 a.m.STL - YUL

2 stops21h 16mUnited Airlines

Sat 1/26:10 p.m.YUL - STL

2 stops17h 44mUnited Airlines

Deal found 16/1C$ 1,052

Mon 3/26:43 a.m.STL - YUL

1 stop4h 16mWestJet

Mon 10/26:03 p.m.YUL - STL

1 stop6h 34mWestJet

Deal found 16/1C$ 839

Mon 3/25:23 a.m.STL - YUL

2 stops10h 27mAmerican Airlines

Mon 10/27:14 a.m.YUL - STL

1 stop7h 07mAmerican Airlines

Deal found 16/1C$ 901

Thu 6/23:50 p.m.STL - YQB

1 stop6h 06mUnited Airlines

Wed 12/210:30 a.m.YQB - STL

1 stop5h 36mUnited Airlines

Deal found 16/1C$ 615

Thu 6/23:50 p.m.STL - YQB

1 stop6h 06mAir Canada

Wed 12/26:00 a.m.YQB - STL

2 stops10h 06mAir Canada

Deal found 16/1C$ 622

Fri 14/23:50 p.m.STL - YUL

1 stop6h 58mAir Canada

Mon 17/28:50 a.m.YUL - STL

2 stops7h 50mAir Canada

Deal found 16/1C$ 1,064

Sat 15/21:35 p.m.STL - YUL

1 stop19h 51mDelta

Tue 18/26:00 a.m.YUL - STL

1 stop16h 02mDelta

Deal found 16/1C$ 729

One-way flights from St. Louis to Quebec
Search for one-way flight options from St. Louis to Quebec. Find affordable one-way fares based on user searches. Data last updated 17 January 2025.

Mon 24/211:08 p.m.STL - YUL

1 stop16h 27mMultiple Airlines

Deal found 15/1C$ 211

Mon 3/211:30 a.m.STL - YQB

2 stops6h 55mAir Canada

Deal found 16/1C$ 264

Fri 14/35:10 p.m.STL - YUL

1 stop16h 00mAmerican Airlines

Deal found 16/1C$ 441

Mon 16/66:13 p.m.STL - YQB

2 stops17h 19mAmerican Airlines

Deal found 16/1C$ 512

Tue 22/45:35 p.m.STL - YUL

1 stop16h 01mUnited Airlines

Deal found 16/1C$ 668

Find flights from St. Louis to Quebec within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 29/1

5:05 p.m.-2:40 p.m.

1 stop20h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 1/2

6:35 p.m.-2:43 p.m.

1 stop21h 08m

C$ 538

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/2

3:50 p.m.-10:56 p.m.

1 stop6h 06m

Québec City

Wed 12/2

10:30 a.m.-3:06 p.m.

1 stop5h 36m

C$ 615

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Thu 6/2

3:50 p.m.-10:56 p.m.

1 stop6h 06m

Québec City

Wed 12/2

6:00 a.m.-3:06 p.m.

2 stops10h 06m

C$ 622

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 15/2

1:35 p.m.-10:26 a.m.

1 stop19h 51m

Montreal Pierre Elliott Trudeau Intl

Tue 18/2

6:00 a.m.-9:02 p.m.

1 stop16h 02m

C$ 729

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 3/2

6:43 a.m.-11:59 a.m.

1 stop4h 16m

Montreal Pierre Elliott Trudeau Intl

Mon 10/2

6:03 p.m.-11:37 p.m.

1 stop6h 34m

C$ 839

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 28/4

3:50 p.m.-11:05 p.m.

1 stop6h 15m

Québec City

Fri 2/5

7:15 a.m.-3:16 p.m.

2 stops9h 01m

C$ 871

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 3/2

5:23 a.m.-4:50 p.m.

2 stops10h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 10/2

7:14 a.m.-1:21 p.m.

1 stop7h 07m

C$ 901

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 29/1

9:44 a.m.-8:00 a.m.

2 stops21h 16m

Montreal Pierre Elliott Trudeau Intl

Sat 1/2

6:10 p.m.-10:54 a.m.

2 stops17h 44m

C$ 1,052

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 14/2

3:50 p.m.-11:48 p.m.

1 stop6h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 17/2

8:50 a.m.-3:40 p.m.

2 stops7h 50m

C$ 1,064

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 24/2

11:08 p.m.-4:35 p.m.

1 stop16h 27m

C$ 211

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

Showing 1-10 of 14 results

Best time to book a flight from St. Louis to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Quebec

Get recent, data-driven insights about flights from St. Louis to Quebec including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Quebec?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Quebec (average of C$ 241). Flying from St. Louis to Quebec in March is currently the most expensive (average of C$ 345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Quebec by month

In terms of precipitation, rainfall in Quebec ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Quebec when rainfall is around 64.0 mm.

Temperature in Quebec by month

If weather is an important factor for your trip to Quebec, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Quebec

Get a feel of what it's like to fly with WestJet, American Airlines and United Airlines from St. Louis to Quebec by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,511 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,965 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,824 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,587 reviews

Delta

8.0

Very good

8,511 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from St. Louis to Quebec?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Quebec. It is only a 20.4 km journey to Lambert-St Louis (STL) from St. Louis’s city centre.
What are the cheapest airlines to fly from St. Louis to Quebec one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 264. American Airlines flights start at C$ 441 while deals on United Airlines start at C$ 668 one-way.
Can I find deals for flights from St. Louis to Quebec that include hotel bookings?
Yes. In addition to deals on St. Louis to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Quebec?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quebec.
Can I find deals for business class flights from St. Louis to Quebec?
Yes. Cheapflights offers flight deals from St. Louis to Quebec by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Quebec?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Quebec (average of C$ 241). Flying from St. Louis to Quebec in March is currently the most expensive (average of C$ 345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Quebec

Complete your trip

Quebec car rentals

Montreal Pierre Elliott Trudeau Intl Airport car rentals

Québec City Airport car rentals

Saguenay Bagotville Airport car rentals

Montreal St Hubert Airport car rentals

Baie Comeau Airport car rentals

Rouyn-Noranda Airport car rentals

Sept-Iles Airport car rentals

La Vernière Iles De La Madeleine Airport car rentals

Val D'Or Airport car rentals

Mont Joli Airport car rentals

Gaspe Airport car rentals

Direct flights to Canada

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How does Cheapflights help users find flights from St. Louis to Quebec?

Cheapflights helps you search for flights from St. Louis to Quebec via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Quebec?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Quebec.

Can Cheapflights find flights from St. Louis to Quebec with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Quebec, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Quebec become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Quebec from St. Louis today and book when prices fit your budget.

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Cheap flights from St. Louis to Quebec from C$ 211

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Quebec

Round-trip from

One-way from

Find flight deals from St. Louis to Quebec

Cheapest flights from St. Louis to QuebecExplore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Find flights from St. Louis to Quebec within your budget

Best time to book a flight from St. Louis to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from St. Louis with our price prediction graph.

Travel insights for flights from St. Louis to Quebec

Get recent, data-driven insights about flights from St. Louis to Quebec including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Quebec?

Rainfall in Quebec by month

Plan your trip to Quebec by taking into account the average rainfall totals by month.

Temperature in Quebec by month

Plan your trip to Quebec by taking into account the average temperature totals by month.

Reviews of airlines servicing Quebec

Get a feel of what it's like to fly with WestJet, American Airlines and United Airlines from St. Louis to Quebec by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Quebec?

What are the cheapest airlines to fly from St. Louis to Quebec one-way?

Can I find deals for flights from St. Louis to Quebec that include hotel bookings?

How can I find direct flights from St. Louis to Quebec?

Can I find deals for business class flights from St. Louis to Quebec?

What is the cheapest month to book a flight from St. Louis to Quebec?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Quebec

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Quebec?

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Quebec?

Can Cheapflights find flights from St. Louis to Quebec with no change fees?

Can Cheapflights notify me if prices for flights from St. Louis to Quebec become cheaper?

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Cheapest flights from St. Louis to Quebec
Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.